chore(deps-dev): bump the development group across 1 directory with 3 updates

Bumps the development group with 3 updates in the / directory: [@biomejs/biome](https://github.com/biomejs/biome/tree/HEAD/packages/@biomejs/biome), [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) and [vitest](https://github.com/vitest-dev/vitest/tree/HEAD/packages/vitest).


Updates `@biomejs/biome` from 2.4.14 to 2.4.15
- [Release notes](https://github.com/biomejs/biome/releases)
- [Changelog](https://github.com/biomejs/biome/blob/main/packages/@biomejs/biome/CHANGELOG.md)
- [Commits](https://github.com/biomejs/biome/commits/@biomejs/biome@2.4.15/packages/@biomejs/biome)

Updates `@types/node` from 25.6.0 to 25.8.0
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

Updates `vitest` from 4.1.5 to 4.1.6
- [Release notes](https://github.com/vitest-dev/vitest/releases)
- [Commits](https://github.com/vitest-dev/vitest/commits/v4.1.6/packages/vitest)

---
updated-dependencies:
- dependency-name: "@biomejs/biome"
  dependency-version: 2.4.15
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development
- dependency-name: "@types/node"
  dependency-version: 25.8.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: development
- dependency-name: vitest
  dependency-version: 4.1.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development
...

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Author: dependabot[bot]